Much-traveled QB Thad Lewis added to 49ers mix

Daily 49ers blog for NBC Bay Area website: Thad Lewis liked Chip Kelly's system with the Eagles, so he's followed his head coach to the 49ers. http://www.nbcbayarea.com/news/sports/While-Kaepernick-Situation-Unfolds-49ers-Add-Another-Quarterback-371800672.html